21288844357137

Names of 21288844357137

• Cardinal: 21288844357137 can be written as Twenty-one trillion, two hundred eighty-eight billion, eight hundred forty-four million, three hundred fifty-seven thousand, one hundred thirty-seven.

Scientific notation

• Scientific notation: 2.1288844357137 × 10¹³

Factors of 21288844357137

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 786

Divisors of 21288844357137

• Number of divisors d(n): 80
• Complete list of divisors:
  1 3 7 9 21 27 63 81 163 189 489 567 613 1141 1467 1839 3423 4291 4401 5517 10269 12873 13203 16551 30807 38619 49653 92421 99919 115857 299757 347571 375769 699433 899271 1127307 2098299 2630383 2697813 3381921 6294897 7891149 8093439 10145763 18884691 23673447 30437289 56654073 61250347 71020341 183751041 213061023 230346397 428752429 551253123 691039191 1286257287 1612424779 1653759369 2073117573 3858771861 4837274337 4961278107 6219352719 11576315583 14511823011 18658058157 34728946749 37546462711 43535469033 112639388133 130606407099 262825238977 337918164399 788475716931 1013754493197 2365427150793 3041263479591 7096281452379 21288844357137
• Sum of all divisors σ(n): 36627702770560
• Sum of proper divisors (its aliquot sum) s(n): 15338858413423
• 21288844357137 is a deficient number, because the sum of its proper divisors (15338858413423) is less than itself. Its deficiency is 5949985943714

Bases of 21288844357137

• Binary: 100110101110010110010000000010110111000010001₂
• Hexadecimal: 0x135CB2016E11
• Base-36: 7JNYK9O29

Squares and roots of 21288844357137

• 21288844357137 squared (21288844357137²) is 453214894062403886802836769
• 21288844357137 cubed (21288844357137³) is 9648421340030850231903987653809751170353
• The square root of 21288844357137 is 4613983.5670640397
• The cube root of 21288844357137 is 27715.1582233675

Scales and comparisons

• 21,288,844,357,137 seconds is equal to 676,919 years, 20 weeks, 5 days, 12 hours, 58 minutes, 57 seconds.
• To count from 1 to 21,288,844,357,137 would take you about one million, six hundred ninety-two thousand, two hundred ninety-eight years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 21288844357137 cubic inches would be around 2309.6 feet tall.

Recreational maths with 21288844357137

• 21288844357137 backwards is 73175344888212
• 21288844357137 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21288844357137's digits is 63
• More coming soon!